Direct comparison of the potency of human mesenchymal stem cells derived from amnion tissue, bone marrow and adipose tissue at inducing dermal fibroblast responses to cutaneous wounds.

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Although transplantation of human mesenchymal stem cells (MSCs) derived from amnion (hAMSCs), bone marrow (hBMSCs) and adipose tissues (hADSCs) has been shown to aid in the repair of cutaneous wounds in mouse models, little information is available regarding the relative efficacy of MSCs from different sources. In this study, we compared their therapeutic potentials by transplanting equal numbers of hAMSCs, hBMSCs or hADSCs in a mouse model of cutaneous wounds. The results suggested that an hADSC injection has the most pronounced effect on wound closure. Histological evaluation showed enhanced re-epithelialization in the hADSC group compared with the hBMSC and hAMSC groups. Although there was a slight improvement in wound healing in the hAMSC and hBMSC groups, the differences between the groups were statistically insignificant. In a trans-well coculture model, wound healing migration and transwell migration assays showed that hADSCs were superior to hAMSCs and hBMSCs at promoting human dermal fibroblast (hDF) migration. However, there was no significant difference in fibroblast proliferation between the hAMSC, hBMSC and hADSC groups, as measured by WST assay. Our results also indicated that hDFs cocultured with hADSCs for 48 h significantly upregulated their mRNA expression of the cytokine vascular endothelial growth factor, basic fibroblast growth factor, keratinocyte growth f

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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